/Engine/Source/Editor/AnimGraph/Public/AnimationGraph.h
class UAnimationGraph : public [UEdGraph](API\Runtime\Engine\EdGraph\UEdGraph)
FAnimGraphBlend...
BlendOptions
Blending options for animation graphs in Linked Animation Blueprints.
FOnPinDefaultVa...
OnPinDefaultValueChanged
Delegate fired when a pin's default value is changed